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Geomagnetic activity in May 1983
Mean Ap22.1No. 107 of 1138
G1+ days14
G3+ days2
Max Ap7724 May 1983
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 May 1983 | 6o | 24 | G2 |
| 4 May 1983 | 5- | 26 | G1 |
| 5 May 1983 | 6- | 24 | G2 |
| 11 May 1983 | 6o | 50 | G2 |
| 12 May 1983 | 6o | 52 | G2 |
| 13 May 1983 | 6- | 37 | G2 |
| 14 May 1983 | 5o | 23 | G1 |
| 17 May 1983 | 7+ | 64 | G3 |
| 20 May 1983 | 5o | 10 | G1 |
| 21 May 1983 | 6o | 29 | G2 |
| 22 May 1983 | 6+ | 51 | G2 |
| 23 May 1983 | 5+ | 38 | G1 |
| 24 May 1983 | 8o | 77 | G4 |
| 25 May 1983 | 5o | 11 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| May 1982 | 17.1 | 12 | 0 |
| May 1983 | 22.1 | 14 | 2 |
Dates and time slots are UTC. Kp is the 3-hourly planetary geomagnetic index (0–9); Ap is the daily average disturbance. G1–G5 follow the NOAA storm scale (Kp 5- and above counted as G1). Aurora visibility also depends on weather and location. The latest values are preliminary.
About this page
Mean Ap 22.1 in May 1983, No. 107 of 1138 months since 1932; 14 days reached G1 or higher.